<template>
  <div class="login_container">
    <div class="login_box">
      <!-- 登录头像 -->
      <div class="acatar_box">
        <img src="../assets/1.jpg" alt />
      </div>
      <!-- 登录表单 -->
      <el-form
        :model="loginForm"
        :rules="loginFormRules"
        ref="loginFormRef"
        label-width="0"
        class="login_form"
      >
        <!-- 用户名 -->
        <el-form-item prop="username">
          <el-input v-model="loginForm.username" prefix-icon="el-icon-s-custom"></el-input>
        </el-form-item>
        <!-- 密码 -->
        <el-form-item prop="password">
          <el-input v-model="loginForm.password" prefix-icon="el-icon-lock" type="password"></el-input>
        </el-form-item>
        <!-- 按钮 -->
        <el-form-item class="btns">
          <el-button type="primary" @click="login">登录</el-button>
          <el-button type="info" @click="resetLoginForm">重置</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<script>
export default {
  data() {
    return {
      // 登录表单s数据对象
      loginForm: {
        username: 'admin',
        password: '123456'
      },
      // 表单验证规则
      loginFormRules: {
        //   用户名验证规则
        username: [
          { required: true, message: '请输入用户名', trigger: 'blur' },
          { min: 3, max: 6, message: '用户名长度在3到6之间', trigger: 'blur' }
        ],
        // 密码验证规则
        password: [
          { required: true, message: '请输入用户密码', trigger: 'blur' },
          { min: 6, max: 10, message: '密码长度在6到10之间', trigger: 'blur' }
        ]
      }
    }
  },
  methods: {
    // 登录表单
    login() {
      this.$refs.loginFormRef.validate(async valid => {
        if (!valid) return
        // this.$http.post('login', this.loginForm).then((res) => {
        //   if (res.data.meta.status !== 200) return console.log("登录失败")
        //   console.log("登录成功")
        // })
        const { data: result } = await this.$http.post('login', this.loginForm)
        if (result.meta.status !== 200) return this.$message.error('登录失败！')
        this.$message.success('登录成功！')
        // 保存token 将登陆成功后的token保存到sessionStorage中
        window.sessionStorage.setItem('token', result.data.token)
        // 跳转到home页面
        this.$router.push('/home')
      })
    },
    // 重置表单
    resetLoginForm() {
      this.$refs.loginFormRef.resetFields()
    }
  }
}
</script>

<style lang="less" scoped>
.login_container {
  background-color: #2b4b6b;
  height: 100%;
}
.login_box {
  height: 300px;
  width: 450px;
  background-color: #fff;
  border-radius: 5px;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);

  .acatar_box {
    height: 130px;
    width: 130px;
    border: 1px solid #eee;
    border-radius: 50%;
    padding: 10px;
    box-shadow: 0 0 10px #ddd;
    position: absolute;
    top: -50%;
    left: 50%;
    transform: translate(-50%, 50%);
    background-color: #fff;
    img {
      width: 100%;
      height: 100%;
      border-radius: 50%;
      background-color: #eee;
    }
  }
}
.login_form {
  position: absolute;
  bottom: 0;
  width: 100%;
  padding: 0 20px;
  box-sizing: border-box;
}
.btns {
  display: flex;
  justify-content: flex-end;
}
</style>
